Kidney MCQ Questions and Answers Quiz

11. Glomerular filtration rate would be increased by

  1. constriction of the afferent arteriole
  2. a decrease in afferent arteriolar pressure
  3. compression of the renal capsule
  4. a decrease in the concentration of plasma protein

12. H+ secretion in the distal nephron is enhanced by all the following except

  1. an increase in the level of plasma aldosterone
  2. an increase in the tubular luminal concentration of poorly reabsorbable anions
  3. hyperkalemia
  4. metabolic acidosis

13. In controlling the synthesis and secretion of aldosterone, which of the following factors is least important ?

  1. renin
  2. angiotensin II
  3. concentration of plasma Na+
  4. adrenocorticotropic hormone ( ACTH )

14. In the distal tubules, sodium reabsorption is increased directly by increased

  1. sympathetic nerve stimulation of the kidney
  2. atrial natriuretic hormone secretion
  3. antidiuretic hormone secretion
  4. aldosterone secretion

15. In the presence of ADH, The distal nephron is least permeable to

  1. water
  2. ammonia
  3. urea
  4. sodium

16. K+ excretion is markedly influenced by

  1. aldosterone
  2. amount of Na+ delivered to tubules
  3. rate of tubular secretion of H+
  4. all of the above

17. Major determinants of plasma osmolarity include all the following except

  1. sodium
  2. hemoglobin
  3. chloride
  4. albumin

18. More hydrogen is secreted in

  1. alkalosis
  2. administration of diamox
  3. hypokalaemia
  4. hyperventilation.

19. Most of the glucose that is filtered through the glomerulus undergoes reabsorption in the

  1. proximal tubule
  2. descending limp of the loop of Henle
  3. ascending limb of the loop of Henle
  4. distal tubule

20. Reabsorption of Na+

  1. takes place in association with CL- & HCO3–
  2. occurs only in PT
  3. is under control of parathormone hormone
  4. is a passive process

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